Crane base fastener



FIG. 1 is a perspective view of the crane base fastener; and,

FIG. 2 is an enlarged view thereof.

The broken lines showing the crane base illustrates the environment ofthe claimed design and forms no part thereof. The remaining broken linesin the drawings illustrates portions of the crane base fastener and formno part of the claimed design.

CLAIM The ornamental design for a crane base fastener, as shown anddescribed.